The Louisiana Purchase significantly increased the size of the United States, which began the expansion of the country towards the West.<span> It also laid the groundwork for the Civil War as the new territories took sides in the heated slavery debate.
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Answer: I would say option 2. Sharp teeth
Explanation:
Due to carnivores eating primarily meat, their teeth need to be sharp to cut, tear, and rip the skin/meat on their prey. (Hope this helped :D )
B) The heir to the Austrian throne was assassinated
